1.0 Introduction |
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This Readme file provides important information about Microsoft® Windows® XP Service Pack 1 (SP1) for Microsoft® Windows® XP Home Edition, Windows® XP Professional, and Windows® XP 64-Bit Edition. Read this file before you install SP1. This file explains how to install SP1, and provides specific information that might apply to your setup.
SP1 contains updates for the following areas of Windows XP functionality:
For information about installing SP1, see "Installing Service Pack 1" later in this document.
Note
If you have not yet installed the Windows XP Update Package, you only need to install SP1 because the security update is included. For further information about the Windows XP Update Package, see article Q309521, "Windows XP Update Package, October 25, 2001," in the Microsoft Knowledge Base.
To help you decide whether or not to upgrade to SP1, Microsoft provides extensive documentation on fixes available in SP1. For details about fixes included in this service pack, and for a list of files affected, see article Q324720, "List of fixes in Windows XP Service Pack 1," in the Microsoft Knowledge Base. This list of fixes is also available under Learn More on the Microsoft Windows XP Service Pack 1 Web site.
SP1 is available from the Windows XP SP1 CD, which includes:
The Microsoft Windows XP Service Pack 1 Web site includes all of the items listed in the preceding section, "CD Contents for Service Pack 1." This Web site also provides a link from which you can install SP1.
Note that whichever type of installation you choose, the end result will be the same—upgrading to SP1.
For more information about each of these installation options, see "Installing Service Pack 1 from the Web" later in this document.
Check the space requirements for installing SP1 on your computer. See article Q326583, "Hard Disk Space Requirements for Windows XP Service Pack 1," in the Microsoft Knowledge Base.
For additional information about Windows XP and this service pack, see the following resources:
2.0 Installing Service Pack 1 |
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You can install SP1 from the SP1 CD or from the Microsoft Windows XP Service Pack 1 Web site. For information on installing SP1 from the CD, see "Installing Service Pack 1 from the CD" later in this document. For information on installing SP1 from the Web site, see "Installing Service Pack 1 from the Web."
Read these installation instructions carefully before you install SP1. Installation methods might have changed since the release of previous service packs.
Note that during the installation, backup files can be created automatically so that you can remove the service pack later if you want to (unless you specifically choose not to have these files generated). Microsoft recommends that you back up these files so that you can remove the service pack in the future if you want.
You can install SP1 only on a computer that is running Windows XP, and you must be logged on to that computer as an administrator.
Note
Other upgrade options are available for system administrators and advanced users as described in the Microsoft Windows XP Service Pack 1 Installation and Deployment Guide (SPDeploy.htm).
To prepare for an SP1 installation
Check the space requirements for installing SP1 on your computer. See article Q326583, "Hard Disk Space Requirements for Windows XP Service Pack 1," in the Microsoft Knowledge Base.
Important
Automated System Recovery (ASR) will not restore your data files. For more information, see "Backing up files and folders," "Restoring files and folders," and "To create an Automated System Recovery set using Backup" in the Windows XP Help and Support Center.
Caution
Before you begin the installation, remember to perform a complete back up of all your files on your computer and close all open programs.
Before you install this service pack, be sure to read article Q324722, "Release Notes for Windows XP Service Pack 1," in the Microsoft Knowledge Base.
Before you install SP1, find your Windows version in the following table to see whether you can upgrade your operating system to SP1.
Note
System administrators and advanced users: This table applies only to update installations of SP1. You can integrate the service pack with Windows XP installation files and make more upgrade options available. These options are explained in the Microsoft Windows XP Service Pack 1 Installation and Deployment Guide (see SPDeploy.htm on the SP1 CD), or see Installation and Deployment Guide under Learn More on the Microsoft Windows XP Service Pack 1 Web site.
| Windows platform | Supported for installations of Service Pack 1 |
|---|---|
| Microsoft Windows 95 | No |
| Microsoft Windows 98 | No |
| Microsoft Windows 98 Second Edition | No |
| Microsoft Windows NT Workstation 3.51 | No |
| Microsoft Windows NT Workstation 4.0 | No |
| Microsoft Windows Millennium Edition | No |
| Microsoft Windows 2000 Professional | No |
| Windows XP Home Edition | Yes |
| Windows XP Professional | Yes |
| Windows XP 64-Bit Edition | Yes |
The following procedure explains how to install SP1 from the SP1 CD.
To install Service Pack 1 from the CD
The Microsoft Windows XP Service Pack 1 Web site offers two installation options for SP1:
The Express installation detects the service pack files that are already installed on your computer and installs only those files that need to be updated. If you choose to install the service pack from the Web site, the Express installation is recommended for users with one computer to upgrade. Installation types are discussed in detail on the Microsoft Windows XP Service Pack 1 Web site. Using the Express installation can be significantly faster than downloading the Network installation.
Using the Network installation option, you can download a self-extracting executable file (XPsp1.exe) that contains all of the SP1 files. This option is ideal for an administrator who wants to set up a shared network folder for deploying SP1 across a network. For more information about installing SP1 on multiple computers, see the Microsoft Windows XP Service Pack 1 Installation and Deployment Guide.
Note
You cannot use the Express installation option to install SP1 on computers running Windows XP 64-Bit Edition.
Important
During the download, make sure that you are downloading files from a Microsoft Web site.
Because downloading XPsp1.exe takes a substantial amount of time, you might want to save the file on your computer. This way, if you need to restart the installation or reinstall SP1, you will not need to download the file again. Because of the size of this file, if your computer has more than one hard disk, you should save XPsp1.exe on a disk other than your system disk.
See the Microsoft Windows XP Service Pack 1 Web site for full instructions about completing the Express or Network installation.
3.0 Removing Service Pack 1 |
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If you chose to create backup files when you installed SP1, you can use Add or Remove Programs to remove SP1 at any time and restore your computer to its previous state.
To remove Service Pack 1 by using Add or Remove Programs
Note
If you choose to remove SP1, a dialog box displays a list of the applications that you installed after you installed SP1. If you continue with the removal, these applications might not work correctly.
4.0 Copyright |
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